Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-22 12:11:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

slub: Add kmalloc_large_node() to support kmalloc_node fallback

Browse Source 
Slub is missing some NUMA support for large kmallocs. Provide that.

Reviewed-by: Pekka Enberg <penberg@cs.helsinki.fi>
Signed-off-by: Christoph Lameter <clameter@sgi.com>
This commit is contained in:
Christoph Lameter 2008-03-01 13:56:40 -08:00
parent 7693143481
commit f619cfe1bd
1 changed files with 13 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
mm/slub.c
View File

@ -2592,13 +2592,24 @@ void *__kmalloc(size_t size, gfp_t flags)
}
EXPORT_SYMBOL(__kmalloc);
static void *kmalloc_large_node(size_t size, gfp_t flags, int node)
{
struct page *page = alloc_pages_node(node, flags | __GFP_COMP,
get_order(size));
if (page)
return page_address(page);
else
return NULL;
}
#ifdef CONFIG_NUMA
void *__kmalloc_node(size_t size, gfp_t flags, int node)
{
struct kmem_cache *s;
if (unlikely(size > PAGE_SIZE))
return kmalloc_large(size, flags);
return kmalloc_large_node(size, flags, node);
s = get_slab(size, flags);
@ -3146,7 +3157,7 @@ void *__kmalloc_node_track_caller(size_t size, gfp_t gfpflags,
struct kmem_cache *s;
if (unlikely(size > PAGE_SIZE))
return kmalloc_large(size, gfpflags);
return kmalloc_large_node(size, gfpflags, node);
s = get_slab(size, gfpflags);